(General Hire)Tech Lead, Machine Learning Engineer, TikTok Recommendation

Help build and scale TikTok’s recommendation systems by owning end-to-end machine learning solutions—from production recommendation models to infrastructure and algorithm optimization. Deliver industry-leading recommendations that improve user experience, content ecosystem health, and platform security. Collaborate with cross-functional partners to design product strategies and grow TikTok in key markets while solving large-scale, market-facing ML challenges.